[ceph-users] Low traffic Ceph cluster with consumer SSD.

Eneko Lacunza elacunza at binovo.es
Mon Nov 26 03:02:44 PST 2018


El 25/11/18 a las 18:23, Виталий Филиппов escribió:
> Ok... That's better than previous thread with file download where the 
> topic starter suffered from normal only-metadata-journaled fs... 
> Thanks for the link, it would be interesting to repeat similar tests. 
> Although I suspect it shouldn't be that bad... at least not all 
> desktop SSDs are that broken - for example 
> https://engineering.nordeus.com/power-failure-testing-with-ssds/ says 
> samsumg 840 pro is ok.

Only that ceph performance for that SSD model is very very bad. We had 
one of those repurposed for ceph and had to run to buy an Intel 
enterprise SSD drive to replace it.

Don't even try :)


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